lec16-12 - spontaneously shifts from -60 mV to -40 mV (the...

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KIN 205: Chapter 14, Cardiovascular Physiology: Figure 14-15c Cardiac autorhythmic cells are unique in that they generate action potentials spontaneously in the absence of input from the nervous system. Their membrane potential is unstable and
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Unformatted text preview: spontaneously shifts from -60 mV to -40 mV (the threshold value from action potential). This unstable membrane potential is called pacemaker potential instead of resting membrane potential. -60-40...
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